算一算,填一填.
0.9+0.6= 15.4+2.97= 5.94+10.7=
10﹣3.14= 10.2﹣8.75= 11.65﹣7.39=
怎样算简便就怎样算.
6.24÷4+3.76×0.25 |
16.2×9.9+1.62 |
7.75×[20÷(3.24﹣3.04)] |
788÷12.5÷0.8 |
276.4×11﹣276.4 |
25×(4.7+4.7+4.7+4.7) |
用竖式计算.
9.73+0.27= |
6﹣1.55= |
3.05×0.66= |
22.5÷0.25= |
计算下面各题,能简便计算的要简便计算.
5.27﹣1.98﹣0.02 |
3.2×5.7+6.8×5.7 |
2.5×6.8×0.4 |
5.6﹣36÷30 |
0.72+9.6÷3.2 |
7.75×[20÷(3.24﹣3.04)]. |
计算题.(能简便的要简便)
①432×109﹣9×432 |
②99×172 |
③9×72×125 |
④463﹣187+137﹣113 |
⑤9.73+0.483+4.83+12.4 |
⑥8.32+5.763﹣2.808﹣1.78 |
⑦384×[150÷(50﹣25)] |
⑧﹣(用小数计算) |
用竖式计算.
2.08×7.5
32.5÷2.5
78.6÷11(商用循环小数表示)
直接写出得数.
402﹣139= 0.48÷0.3= 2.5×40= 3.7×1000=
×(15+)= 684+198= 12×1%= ×=
7÷19= ×9÷=
试题篮
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